Water-heater.



H. R. BYNUM.

WATER HEATER.

APPLICATION man APR. 13. um.

Patented May 7,1918.

2 SHEETS-SHEET I.

H. R. BYNUM.

WATER HEATER. APPLICATION, FILED APR. 13. 19W.

Patented May 7, 1918.

2 SHEETS-SHEET 2- UNITED STATES PATENT OFFICE.

HUGH ROBERT BYNUM, 0F CLARKSDALE, MISSISSIPPI.

WATER-HEATER.

Application filed April 13, 1917.

To all whom it may concern:

Be it known that I, HUGH ROBERT BYNUM, a citizen of the United States,residing at Clarksdale, Coahoma county, and State of Mississippi, haveinvented and discovered certain new and useful Improvements inl'Vater-Heaters, of which the following is a specification.

My said invention relates to water heaters and consists'in thecombinations and arrangements of elements hereinafter described andparticularly set forth in the accompanying claims.

The object of the invention is to provide a heater for use in supplyingheat for buildings, or for any other purpose for which it may be foundappropriate, in which the heating apparatus is of comparatively simpleand inexpensive construction, capable of being quickly and easilyinstalled, and in which the maximum of the heat units from the fuel willbe utilized in heating the water, which is designed to serve as theprincipal heating medium, allas hereinafter described and claimed.

The invention is shown by way of illustration in the accompanyingdrawings, where- 1n- Figure 1 is a perspective view of the water heater,

Fig. 2 a longitudinal sectional view taken on the dotted line 2-2 inFig. 5,

Fig. 3 a transverse sectional view taken on the line 3-3 of Fig. 2,

Fig. 1 a similar view taken on the line 4-4 of Fig. 2, and

Fig. 5 a horizontal sectional view taken on the line 5-5 of Fig. 2.

Referring to the construction in detail, the heater consists of asuitable frame comprising arch pieces or yokes 6 and 7, located ateither end of the frame and supporting the tank or vessel comprising aninner section 8 and an outer section 9, leaving between them a waterspace or chamber 10 substantially surrounding said section 8, and whichconstitutes the initial or primary heater of the apparatus. A suitableincasement or housing 11 surrounds the outer wall 9 of the heater and isformed integral, or continuously united with the rear wall thereof, and,in like manner, with the bottom wall 12 that provides a base for theheater.

The front portion of the casing 11 1s formed with a flange 13, and thesections 8 and 9 project beyond and have a frame or Specification ofLetters Patent.

Patented May 7, 1918.

Serial No. 161,821.

yoke 14: between them forming the front a body portion 17 (see Fig. 2),supported by the inset part 18 of the front frame-piece 7, and the doorpart of the closure is likewise provided with a body piece or lining 19,

which, with the portion 17 is preferably constructed of suitable heatinsulating material.

The outer casing 11 is suitably spaced from the wall 9 of the waterheater, thus forming a surrounding air heater chamber 20 for the watervessel, and a burner 21 is projected into the interior of the heater andconnects with the source of fuel supply, through the pipe 22. Eitherliquid or gaseous fuel may be used with the heater, and in either casethe necessary type of burner would be employed. A vent opening 23 isformed in'the closure portion 17 and the passage therethrough isregulated by a slide piece or damper 24, which is adjustable in the'pairof guide members 25 secured on the underside of the end closure. Ascreen 26 overlies the outlet of the vent opening 23 and is adapted forguarding against the entrance of dirt, or the like, into the heatingchamber. An outlet flue 27 is located at the top of the heating chamberand is preferably disposed laterally for the purpose of economy inspace, after the manner shown in Figs. 1 and 3. Said flue may connectwith any other appropriate flue or chimney leading to the outside, or

lead into a stove or hot air heater (not shown), interposed in asuitable location, for utilizing the heat, as may be desired.

The entire exterior surface of the casing walls 11 and 12, and the rearwall portion 9 of the heater, are covered by a suitable heat insulatingmaterial 28, ofasbestos or the like, to the end that the heatingcontents of the heater may be conserved; and the flue 27 is in likemanner covered, as shown.

The water circulating system consists of a water supply pipe 40, whichleads to an expansion tank, or any source of supply, and also preferablyconnects, through a connection not shown, with the heating system at itsterminus in an outward direction. It connects with a drainage pipe 50,controlled by a valve 51, by which the system may be 40 is also,connected by drained. Said pipe and 36. Pipe 29 leads a T 4.1 with pipes29 through the rear wall of the heater and discharges into the waterchamber 10 at a point 30 (see Fig. 2.) Pipe 36 leads through the rearwall of the heater and connects with the coil 36% at a point foundconvenient, such as at 35. The Water circulates through chamber 10surrounding the heating chamber and passes out from the upper sidethereof near its rear end through a pipe 32, which is connected by a T42 with a pipe 43 which leads to the radiators, to a coil in the kitchenboiler,

or to other heating members (not shown) where it may be desired toutilize the heat. After continuing through the heating system it returnsto the supply pipe 40 and is again heated, over and over, mingling withthe supply coming from any appropriate source sufiicient to maintain thepipes and heating system full.

The fluid fuel, such as gas or oil, comlng through pipe 22 is ignited atburner 21 and a draft of appropriate force established by the adjustmentof damper 24. The fire from the burner heats the chamber surrounded bywall 8 to a very high degree, heating the water within coil 34 and alsothe coil in the water acket l0 surrounding said chamber, thus providingtwo sources of utilizing the heat units in the heating chamber, andproviding a maximum heater capacity in an apparatus of minimum size andcost. The air for supporting combustion enters through the vent opening23 at the front end into the heating chamber and from said heatingchamber the air and products of combustion pass through vent opening 37to the hot air chamber, or jacket which surrounds the waterjacket l0,and from the extreme upper side (see especially Figs. 1 and 3) passesout flue 27 to any location where it may be desired either to utilizethe heat, or to discharge the commingled air and ases.

g By this construction a heater is provided that is not only cheap toinstall and to operate, but it W111 b noted that the heating chamber iscompletely surrounded by water except at the front, and the waterchambers completely surrounded by air, except at the front, thusproviding an effective protection and a heater capable of withstandingvery high heating tests with only one end lined or protected by firebrick or Other protecting material.

It is obvious that those skilled in the art may vary the details ofconstruction and arrangements of parts without departing from the spiritof my invention, and I therefore do not wish to be limited to suchdetails except as may be equired by the claims.

Having thus fully described my said invention, what I claim as new anddesire to secure by Letters Patent, is:

1. In a water heating apparatus the combination of a frame structure, asection providing a horizontally disposed heating chamber, a sectioninclosing the inner section and providing therewith a water space at thetop, back, sides, and bottom, both of said sections located within theframe structure; an incasement mounted on the outside of the framestructure and surrounding said outer section and forming therewith anair heating chamber inclosing the water chamber at the top, sides andbottom; said surrounding air chamber con'imunicating with the innerheating chamber and having an outlet for the passage of exhaust gases, apipe coil located in said inner heating chamber, water feed pipesentering the lower side of the oute heating chamber and communicatingwith said water space and the coil, an outlet water pipe for said spacand coil, and a fuel burner located in the inner heating chamber,substantially as set forth.

2. In a water heating apparatus the combination of a frame structurecomprising two yoke members, an inner section providing a horizontallydisposed heating chamber, an outer section inclosing the inner sectionand providing a water space therewith, an end section secured to saidinner and outer sections and having an overhanging under portionprovided with a vent opening, an incasement surrounding said outersection and providing an air heating chamber therewith, said chambercommunicating with the inner heating chamber; a pipe coil located insaid inner heating chamber, means for feeding water to and taking waterfrom said water chamber and the coil, and a fuel burner located in theinner heating chamber, substantially as set forth.

3. In a water heating apparatus the combination of a frame structurecomprising two yoke members disposed at either end of the heater and oneof said members having an inset lower portion, an inner sectionproviding a horizontally disposed heating chamber, an outer sectioninclosing the inner section and providing a water space therewith, anend section secured to said inner and outer sections and having a lowerportion fitting the lower inset portion of said yoke member, anincasement surrounding said outer Section and forming an air heatingchamber therewith, said chamber communicating with the inner heatingchamber and having an outlet flue, a pipe coil located in said innerheating chamber, water feed pipes entering said outer heating chamberand communicating with said coil and the water space, outlet pipes forsaid water space and the coil, and a burner located in the inner heatingchamber, substantially as set forth.

4. In a water heating apparatus the combination of a frame structure, aninner casing providing a heating chamber, an outer casing inclosing saidinner casing and providing a water space therewith, an incasementsurrounding said outer casing providing an air heating chambertherewith, an end section having an overhanging under portion providedWith a vent opening, a slide for e ulating said opening, a door hingedon said end section giving access to the inner heating chamber, a pipecoil in the inner heating chamber, means for feeding Water to and takingWater from said coil and the Water spaces, means providing communicationbetween said inner and outer heating chambers at the lower rear portionof the inner heating chamber, an outlet flue for the outer heatingchamber, n asbestos lining covering the outlet flue and theheater bodyexcepting the end sections thereof, and a fuel burner mounted on saidend section, substantially as set forth.

In Witness whereof, I have hereunto set my hand and seal at Olarksdale,Mississippi, this 10th day of March, A. D. nineteen hundred andseventeen.

HUGH ROBERT BYNUM. [L.s.] Witnesses: a

P. L. WALDROP, THOS. J. TULLY, J 1'.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Paton",

Washington, D. C.

